Home / 893,137.10-1,342,363.02-420,154.61

Finding the Fourth Proportional to 893,137.10, 1,342,363.02 and 420,154.61

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Solution

The fourth proportional to 893,137.10, 1,342,363.02 and 420,154.61 is: 631,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,137.10 : 1,342,363.02 = 420,154.61 : x
  2. Step 2: Convert to fraction form
    893,137.10/1,342,363.02 = 420,154.61/x
  3. Step 3: Cross multiply
    893,137.10x = 1,342,363.02 × 420,154.61
  4. Step 4: Simplify right side
    893,137.10x = 564,000,011,146.52
  5. Step 5: Solve for x
    x = 564,000,011,146.52/893,137.10
  6. Step 6: Final answer
    x = 631,482.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.